adjective.
Treating all parts or aspects without omission; thorough.
adjective.
Tending to exhaust.
The Century Dictionary and Cyclopedia
Exhausting; tending to exhaust; exhausting all parts or phases; thorough: specifically applied to a disquisition, treatise, criticism, etc., which treats of a subject in such a way as to leave no part of it unexamined.
the GNU version of the Collaborative International Dictionary of English
adjective.
Serving or tending to exhaust; exhibiting all the facts or arguments.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
performed comprehensively and completely
Word Usage
"I remember sitting around through a long dark afternoon as some people I thought I knew discussed in exhaustive detail the advantages of different kinds of winter boot."